The invasion of southern South America by imported bumblebees and associated parasites
1. The <i>Palaearctic Bombus ruderatus</i> (in 1982/1983) and <i>Bombus terrestris</i> (1998) have both been introduced into South America (Chile) for pollination purposes. We here report on the results of sampling campaigns in 2004, and 2010–2012 showing that both species ha...
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| Autores principales: | , , , , , , , , , |
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| Formato: | Articulo Preprint |
| Lenguaje: | Inglés |
| Publicado: |
2014
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| Materias: | |
| Acceso en línea: | http://sedici.unlp.edu.ar/handle/10915/93282 https://ri.conicet.gov.ar/handle/11336/10945 https://besjournals.onlinelibrary.wiley.com/doi/full/10.1111/1365-2656.12185 |
| Aporte de: |
| id |
I19-R120-10915-93282 |
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| record_format |
dspace |
| institution |
Universidad Nacional de La Plata |
| institution_str |
I-19 |
| repository_str |
R-120 |
| collection |
SEDICI (UNLP) |
| language |
Inglés |
| topic |
Biología Ciencias Naturales Ciencias Exactas Ecología Invasión Genetics Pollinator Chile Argentina Patagonia Bombus Crithidia Nosema Conservación de la biodiversidad |
| spellingShingle |
Biología Ciencias Naturales Ciencias Exactas Ecología Invasión Genetics Pollinator Chile Argentina Patagonia Bombus Crithidia Nosema Conservación de la biodiversidad Schmid Hempel, Regula Eckhardt, Michael Goulson, David Heinzmann, Daniel Lange, Carlos Ernesto Plischuk, Santiago Escudero, Luisa Ruz Salathe, Rahel Scrive, Jessica J. Schmid Hempel, Paul The invasion of southern South America by imported bumblebees and associated parasites |
| topic_facet |
Biología Ciencias Naturales Ciencias Exactas Ecología Invasión Genetics Pollinator Chile Argentina Patagonia Bombus Crithidia Nosema Conservación de la biodiversidad |
| description |
1. The <i>Palaearctic Bombus ruderatus</i> (in 1982/1983) and <i>Bombus terrestris</i> (1998) have both been introduced into South America (Chile) for pollination purposes. We here report on the results of sampling campaigns in 2004, and 2010–2012 showing that both species have established and massively expanded their range.
2. <i>Bombus terrestris</i>, in particular, has spread by some 200 km/year and had reached the Atlantic coast in Argentina by the end of 2011. Both species, and especially <i>B. terrestris</i>, are infected by protozoan parasites that seem to spread along with the imported hosts and spillover to native species.
3. Genetic analyses by polymorphic microsatellite loci suggest that the host population of <i>B. terrestris</i> is genetically diverse, as expected from a large invading founder population, and structured through isolation by distance. Genetically, the populations of the trypanosomatid parasite, <i>Crithidia bombi</i>, sampled in 2004 are less diverse, and distinct from the ones sampled later. Current <i>C. bombi</i> populations are highly heterozygous and also structured through isolation by distance correlating with the genetic distances of <i>B. terrestris</i>, suggesting the latter’s expansion to be a main structuring factor for the parasite.
4. Remarkably, wherever <i>B. terrestris</i> spreads, the native <i>Bombus dahlbomii</i> disappears although the reasons remain unclear. Our ecological and genetic data suggest a major invasion event that is currently unfolding in southern South America with disastrous consequences for the native bumblebee species. |
| format |
Articulo Preprint |
| author |
Schmid Hempel, Regula Eckhardt, Michael Goulson, David Heinzmann, Daniel Lange, Carlos Ernesto Plischuk, Santiago Escudero, Luisa Ruz Salathe, Rahel Scrive, Jessica J. Schmid Hempel, Paul |
| author_facet |
Schmid Hempel, Regula Eckhardt, Michael Goulson, David Heinzmann, Daniel Lange, Carlos Ernesto Plischuk, Santiago Escudero, Luisa Ruz Salathe, Rahel Scrive, Jessica J. Schmid Hempel, Paul |
| author_sort |
Schmid Hempel, Regula |
| title |
The invasion of southern South America by imported bumblebees and associated parasites |
| title_short |
The invasion of southern South America by imported bumblebees and associated parasites |
| title_full |
The invasion of southern South America by imported bumblebees and associated parasites |
| title_fullStr |
The invasion of southern South America by imported bumblebees and associated parasites |
| title_full_unstemmed |
The invasion of southern South America by imported bumblebees and associated parasites |
| title_sort |
invasion of southern south america by imported bumblebees and associated parasites |
| publishDate |
2014 |
| url |
http://sedici.unlp.edu.ar/handle/10915/93282 https://ri.conicet.gov.ar/handle/11336/10945 https://besjournals.onlinelibrary.wiley.com/doi/full/10.1111/1365-2656.12185 |
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Repositorios |
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